SINHA, Parmeshwar; DAS GUPTA, Kali Pada. Crop Responses to Added Fertilizers inCultivators’ fields-A Technique for finding out Manurial Requirements of Bihar Soils. Journal of Soil and Water Conservation, India, v. 4, n. 3, 2022. Disponível em: https://epubs.icar.org.in/index.php/JSWC/article/view/125945. Acesso em: 3 jul. 2026.